22 lines
670 B
JavaScript
22 lines
670 B
JavaScript
const sumAll = require('./sumAll')
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describe('sumAll', () => {
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test('sums numbers within the range', () => {
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expect(sumAll(1, 4)).toEqual(10)
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})
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test('works with large numbers', () => {
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expect(sumAll(1, 4000)).toEqual(8002000)
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})
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test('works with larger number first', () => {
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expect(sumAll(123, 1)).toEqual(7626)
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})
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test('returns ERROR with negative numbers', () => {
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expect(sumAll(-10, 4)).toEqual('ERROR')
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})
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test('returns ERROR with non-number parameters', () => {
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expect(sumAll(10, '90')).toEqual('ERROR')
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})
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test('returns ERROR with non-number parameters', () => {
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expect(sumAll(10, [90, 1])).toEqual('ERROR')
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})
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})
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